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The structure of the skin, types and distribution of mucous cell of yangtze sturgeon ( Acipenser dabryanus ) / La estructura de la piel, los tipos y distribución de las células mucosas del esturión yangtze ( Acipenser dabryanus )
Yang, S; Fu, H. M; Xiao, Q; Liu, Q; Wang, Y; Yan, T. M; Zhou, J; Liu, Y; Gong, Q; Zhao, L. L.
  • Yang, S; Sichuan Agricultural University. College of Animal Science and Technology. Chengdu. CN
  • Fu, H. M; Sichuan Agricultural University. College of Animal Science and Technology. Chengdu. CN
  • Xiao, Q; Sichuan Agricultural University. College of Animal Science and Technology. Chengdu. CN
  • Liu, Q; Sichuan Agricultural University. College of Animal Science and Technology. Chengdu. CN
  • Wang, Y; Sichuan Agricultural University. College of Animal Science and Technology. Chengdu. CN
  • Yan, T. M; Sichuan Agricultural University. College of Animal Science and Technology. Chengdu. CN
  • Zhou, J; Fisheries Institute. Sichuan Academy of Agricultural Science. Chengdu. CN
  • Liu, Y; Fisheries Institute. Sichuan Academy of Agricultural Science. Chengdu. CN
  • Gong, Q; Fisheries Institute. Sichuan Academy of Agricultural Science. Chengdu. CN
  • Zhao, L. L; Sichuan Agricultural University. College of Animal Science and Technology. Chengdu. CN
Int. j. morphol ; 37(2): 541-547, June 2019. tab, graf
Article in English | LILACS | ID: biblio-1002256
ABSTRACT
The structural characteristics of the skin, types and distribution of mucous cells of Yangtze sturgeon (Acipenser dabryanus) were studied at the light microscope level, stained with Haematoxylin-eosin (HE) and Alcian blue-periodie acid Schiff (ABPAS). The skin of both was composed of epidermis and dermis. The dermis was divided into stratum spongiosum and stratum compactum. The stained color of stratum compactum was stained more deeply than that of stratum spongiosum. The skin thickness displayed differences in the fish at different body positions. The thickest of epidermis layer was on the dorsal region for Yangtze sturgeon, reversely, the thinnest was the mandibular region; Stratum spongiosum on the mandibular region was the thickest, the stratum spongiosum of the maxillary region was not obvious. In summary, keratinized spines, a kind of keratin derivative, are widely distributed in the mandibular, ventral, dorsal, and caudal peduncle skin surface for Yangtze sturgeon, and some pit organs mainly present in the skin surface of the maxillary and ventral regions. In short, the small amount of mucous cells in the skin of Yangtze sturgeon and the type of mucous cell were main Type IV, nevertheless there was a distribution of a few Type III.
RESUMEN
Se estudiaron las características estructurales de la piel, los tipos y la distribución de las células mucosas del esturión Yangtze (Acipenser dabryanus) con microscopio de luz, teñidas con hematoxilina-eosina (HE) y azul alcián-ácido de Schiff (AB-PAS). La piel estaba compuesta por epidermis y dermis. La dermis se dividía en estrato esponjoso y estrato compacto. El grosor de la piel mostró diferencias en los peces en diferentes posiciones del cuerpo. La capa más gruesa de la epidermis se observó en la región dorsal del esturión Yangtze; a la inversa, la más delgada en la región mandibular. El estrato esponjoso en la región mandibular era el más grueso, el estrato esponjoso de la región maxilar no era visualizado. En resumen, las espinas queratinizadas, un tipo derivado de la queratina, estaban ampliamente distribuidas en la superficie de la piel del pedúnculo mandibular, ventral, dorsal y caudal en el esturión Yangtze, y algunos órganos en fosas, presentes principalmente en la superficie de la piel de las regiones mandibular y ventral. En resumen, la pequeña cantidad de células mucosas en la piel del esturión Yangtze y el tipo de célula mucosa eran células principales tipo IV, sin embargo, se observaron algunas células tipo III.
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Full text: Available Index: LILACS (Americas) Main subject: Skin / Fishes / Mucous Membrane Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2019 Type: Article / Project document Affiliation country: China Institution/Affiliation country: Fisheries Institute/CN / Sichuan Agricultural University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Skin / Fishes / Mucous Membrane Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2019 Type: Article / Project document Affiliation country: China Institution/Affiliation country: Fisheries Institute/CN / Sichuan Agricultural University/CN